Vulnerability · Published Oct 11, 2022 · Assigned by siemens
CVE-2022-40227
High 7.5
In plain English
A high-severity improper input validation in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Official description
A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V17 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V17 Update 4), SIMATIC HMI KTP1200 Basic (All versions < V17 Update 5), SIMATIC HMI KTP400 Basic (All versions < V17 Update 5), SIMATIC HMI KTP700 Basic (All versions < V17 Update 5), SIMATIC HMI KTP900 Basic (All versions < V17 Update 5), SIPLUS HMI KTP1200 BASIC (All versions < V17 Update 5), SIPLUS HMI KTP400 BASIC (All versions < V17 Update 5), SIPLUS HMI KTP700 BASIC (All versions < V17 Update 5), SIPLUS HMI KTP900 BASIC (All versions < V17 Update 5). Affected devices do not properly validate input sent to certain services over TCP. This could allow an unauthenticated remote attacker to cause a permanent denial of service condition (requiring a device reboot) by sending specially crafted TCP packets.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC HMI Comfort Panels (incl. SIPLUS variants) | All versions < V17 Update 4 |
| Siemens | SIMATIC HMI KTP Mobile Panels | All versions < V17 Update 4 |
| Siemens | SIMATIC HMI KTP1200 Basic | All versions < V17 Update 5 |
| Siemens | SIMATIC HMI KTP400 Basic | All versions < V17 Update 5 |
| Siemens | SIMATIC HMI KTP700 Basic | All versions < V17 Update 5 |
| Siemens | SIMATIC HMI KTP900 Basic | All versions < V17 Update 5 |
| Siemens | SIPLUS HMI KTP1200 BASIC | All versions < V17 Update 5 |
| Siemens | SIPLUS HMI KTP400 BASIC | All versions < V17 Update 5 |
| Siemens | SIPLUS HMI KTP700 BASIC | All versions < V17 Update 5 |
| Siemens | SIPLUS HMI KTP900 BASIC | All versions < V17 Update 5 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H